A flask 'A' holds 2.8kg. of hydrogen at s.t.p.
Calculate the weight of a diatomic gas `N_2` it can hold at s.t.p [N=14].

A cylinder can hold 5.6 g of hydrogen at S.T.P. Calculate : the amount of carbon dioxide gas, it can hold at S.T.P.

Calculate the density of N_(2) gas at S.T.P. ?

Calculate the mass of 2.8 litres of CO_(2) at S.T.P.

A gas of mass 32 gm has a volume of 20 litre at S.T.P. Calculate the gram molecular weight of the gas.

A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure : What weight of CO_2 can the cylinder hold under similar conditions of temperature and pressure ? (H=1, C = 12, O=16)

The volumes of gases A, B, C and D are in the ratio, 1:2:2:4 under the same conditions of temperature and pressure. If the volume of A is actuaally 5.6 dm3 at s.t.p calculate the number of molecules in the actual volume of D ate s.t.p Using your answer from (iv), state the mass of D if the gas is dinitrogen oxide (N_(2)O) . (N = 14, O = 16)

5000 molecules are present in a sample of dry hydrogen having a volume V at S.T.P. Calculate the volume of nitrogen gas which has 2.5 xx 10^(8) molecules at S.T.P.

10 litres of a gas at S.T.P. weigh 19.64 g. Calculate the molecular mass of the gas.

Calculate the volume of 320 g of SO_2 at S.T.P. (Atomic mass : S = 32 and O = 16).

Calculate the volume occupied by 1.4 g of N_(2) at S.T.P.